The SCEM2SB ALTIN(21) 21/64X3/8 drill bit from Field Tool Supply is designed for precision drilling in a variety of materials. With a diameter of 21/64 inches and a 3/8-inch shank, it is compatible with most standard drill chucks. Made from durable ALTIN-coated steel, this bit offers enhanced wear resistance and longevity, making it suitable for both professional and DIY applications. The bit's design allows for efficient chip removal and reduced friction, resulting in cleaner holes and improved drilling speed. Perfect for metalworking, woodworking, and construction tasks, this drill bit meets industry standards for quality and performance.